<!DOCTYPE html>
<html>
  <head>
    <title>Reference for 315920-11 d, e</title>
    <style> optgroup {color:green} </style>
  </head>
  <body>
    <select size="2">
      <optgroup id="ogone" label="There should be no red">
      </optgroup>
      <optgroup id="ogtwo" label="There should be no red">
      </optgroup>
    </select>
  </body>
</html>
